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Technical Support
Ph: 520.777.7906; select Option 2
Email: tech.na@phocos.com
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Technical Bulletins

PWM or MPPT?

Can’t decide between a PWM or MPPT charge controller? Whether you’re just getting started in off-grid or you’re an experienced installer this guide will help you determine the best type of controller for your next solar project.

4 Installation Tips for CIS-N-LED Charge Controllers

Here are four tips to make sure your CIS-N-LED is installed properly for trouble-free operations in solar lighting applications for streets, pathways, parking lots and bus shelters.

Replacing Discontinued ProStar PS-15M-48V

Morningstar recently announced the discontinuation of its ProStar PS-15M-48V solar charge controller. Phocos’ Dingo D2020N solar charge controller is an excellent drop-in replacement for the PS-15M-48V.